摘要：While building a tunnel through the mountains, . A.an underground lake was discovered B.there was an underground lake discovered C.a lake was discovered underground D.the workers discovered an underground lake 解析:v.-ing形式作状语时,v.-ing形式的逻辑主语必须与句子的主语保持一致.根据题意,只有workers才会发出building的动作. 答案:D
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While building a tunnel through the mountains, ______.
| A．an underground lake was discovered | B．there was an underground lake discovered |
| C．a lake was discovered underground | D．the workers discovered an underground lake |
While building a tunnel through the mountains, ______.
|
A．an underground lake was discovered |
B．there was an underground lake discovered |
|
C．a lake was discovered underground |
D．the workers discovered an underground lake |
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While building a tunnel through the mountains, _____________.
A．an underground lake was discovered
B．there was an underground lake discovered
C．a lake was discovered underground
D．the workers discovered an underground lake.
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